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Wits aids in saving the rhinos

The Rhisotope Project at Wits is entering a new testing phase with the insertion of radioisotopes into 20 live rhinoceros.

After three years of meticulous and dedicated hard work, the Rhisotope Project at Wits University has successfully inserted low doses of radioisotopes into 20 live rhinoceroses.

In this final phase of the research project, Professor James Larkin from the University of the Witwatersrand’s Radiation and Health Physics Unit (RHPU) in collaboration with a team of experts who are leaders in the world of rhino conservation and veterinary work, will closely monitor the health and vital statistics of the rhinos over a period of six months, in order to determine the viability of this approach.

Read more: Watch: Elephants try to save stuck rhino from hungry lions

Wildlife veterinarian, Dr Pierre Bester (left) and the Rhino Orphanage team monitor a sedated black rhino while Professor James Larkin (right) from Wits University prepares to insert radioisotopes into its horn.
Wildlife veterinarian, Dr Pierre Bester (left) and the Rhino Orphanage team monitor a sedated black rhino while Professor James Larkin (right) from Wits University prepares to insert radioisotopes into its horn.

The Rhisotope Project’s intention is to use nuclear technology in the form of small, measured quantities of radioisotopes and to insert these into the horns of rhinoceroses, which can be picked up by radiation detection portal monitors at international borders, including at harbours, airports and land-crossings. These radioisotopes will provide an affordable, safe and easily applicable method to create long-lasting and detectable horn markers that cause no harm to the animals and environment. At a later stage, the work will expand to elephants, pangolins and other fauna and flora.

Being pioneered in the Unesco Waterberg Biosphere Reserve, the project aims to benefit from existing, sophisticated multi-billion-dollar nuclear security infrastructure that already exists throughout the world.

Also read: Saving our rhinos one chapter at a time

“Every 20 hours in South Africa a rhino dies for its horn. These poached horns are then trafficked across the world and used for traditional medicines, or as status symbols. This has led to their horns currently being the most valuable false commodity in the black-market trade, with a higher value even than gold, platinum, diamonds and cocaine. Sadly, rhino horns play a large role in funding a wide variety of criminal activities globally,” says Prof. Larkin.
“Ultimately, the aim is to try to devalue rhinoceros horn in the eyes of the end users, while at the same time making the horns easier to detect as they are being smuggled across borders.”

Wits University Professor James Larkin (left) and Arrie van Deventer, founder of the Rhino Orphanage, insert radioisotopes into the horn of a white rhino.
Wits University Professor James Larkin (left) and Arrie van Deventer, founder of the Rhino Orphanage, insert radioisotopes into the horn of a white rhino.

On June 24, Prof. Larkin and his team carefully sedated the 20 rhinos and drilled a small hole into each of their horns to insert the non-toxic radioisotopes. The rhinos were then released under the care of a highly qualified crew that will monitor the animals on a 24-hour basis for the next six months. “Each insertion was closely monitored by expert veterinarians and extreme care was taken to prevent any harm to the animals.
“Over months of research and testing we have also ensured that the inserted radioisotopes hold no health or any other risk for the animals or those who care for them.”

Aside from developing a solution to combat the illicit trade and trafficking of wildlife products, the Rhisotope Project seeks to provide education and social upliftment to empower people and local communities.

Related article: Keep the five alive – its World Rhino Day!

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